From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail190.messagelabs.com (mail190.messagelabs.com [216.82.249.51]) by kanga.kvack.org (Postfix) with SMTP id 0EBEE6B0224 for ; Tue, 1 Jun 2010 03:46:27 -0400 (EDT) Date: Tue, 1 Jun 2010 17:46:20 +1000 From: Nick Piggin Subject: Re: [patch -mm 08/18] oom: badness heuristic rewrite Message-ID: <20100601074620.GR9453@laptop> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org To: David Rientjes Cc: Andrew Morton , Rik van Riel , Oleg Nesterov , KAMEZAWA Hiroyuki , KOSAKI Motohiro , Balbir Singh , linux-mm@kvack.org List-ID: On Tue, Jun 01, 2010 at 12:18:43AM -0700, David Rientjes wrote: > This a complete rewrite of the oom killer's badness() heuristic which is > used to determine which task to kill in oom conditions. The goal is to > make it as simple and predictable as possible so the results are better > understood and we end up killing the task which will lead to the most > memory freeing while still respecting the fine-tuning from userspace. Do you have particular ways of testing this (and other heuristics changes such as the forkbomb detector)? Such that you can look at your test case or workload and see that it is really improved? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org